Display panel and display device are provided. The display panel includes fingerprint recognition units, a substrate, drive circuits, and organic light-emitting units. A distance between two adjacent drive circuits in each drive circuit group is less than a distance between two adjacent drive circuits in two adjacent drive circuit groups along a first direction. The drive circuits from a first row to an i-th row is a first drive circuit, and the drive circuits from a j-th row to an M-th row is a second drive circuit. A first direction component, along the first direction, of each of vias that correspond to at least a portion of the first drive circuit pointing to a first corresponding electrically-connected anode, and a second direction component, along the first direction, of each of vias that correspond to at least a portion of the second drive circuit pointing to a second corresponding electrically-connected anode, are opposite components.
Legal claims defining the scope of protection, as filed with the USPTO.
1. A display panel, comprising: a substrate, a plurality of drive circuits, and a plurality of organic light-emitting units, which are stacked sequentially, wherein: the plurality of drive circuits and the plurality of organic light-emitting units are electrically connected in a one-to-one correspondence, and anodes of the plurality of organic light-emitting units are electrically connected to the drive circuits through vias; the plurality of drive circuits is divided into a plurality of drive circuit groups, wherein each drive circuit group includes multiple drive circuits arranged in an array, and the anodes of the plurality of organic light-emitting units are evenly arranged; and a distance between two adjacent drive circuits in each drive circuit group is less than a distance between two adjacent drive circuits in two adjacent drive circuit groups along a first direction; the drive circuit group includes M rows of the drive circuits along the first direction, wherein the drive circuits from a first row to an i-th row is a first drive circuit, the drive circuits from a j-th row to an M-th row is a second drive circuit, and 1≤i<j≤M; a first direction component, along the first direction, of each of vias that correspond to at least a portion of the first drive circuit pointing to a first corresponding electrically-connected anode, and a second direction component, along the first direction, of each of vias that correspond to at least a portion of the second drive circuit pointing to a second corresponding electrically-connected anode, are opposite components; and the first direction is a row direction or a column direction of the drive circuits arranged in an array; and a light-blocking layer and a plurality of fingerprint recognition units, wherein a plurality of imaging apertures is formed at the light-blocking layer; vertical projections of the imaging apertures on a film layer having the plurality of drive circuits are between the two adjacent drive circuit groups; the fingerprint recognition units are on a side of the light-blocking layer away from the organic light-emitting units; and light reflected by a touch body enters the fingerprint recognition units through the imaging apertures.
2. The display panel according to claim 1 , wherein: at least a portion of the anodes include electrode portions in opening regions of a pixel defining layer and connecting portions connected to the electrode portions; vertical projections of the connecting portions on the substrate cover vertical projections of the vias on the substrate; and the connecting portions are electrically connected to the drive circuits through the vias; and the drive circuit group further includes a third drive circuit between a first drive circuit and a second drive circuit along the first direction; a tilt degree of the connecting portions corresponding to the third drive circuit with respect to the first direction is greater than a tilt degree of the connecting portions corresponding to the first drive circuit with respect to the first direction; and a tilt degree of the connecting portions corresponding to the third drive circuit with respect to the first direction is greater than a tilt degree of the connecting portions corresponding to the second drive circuit with respect to the first direction.
3. The display panel according to claim 2 , wherein: misalignment degree between the drive circuits from the 1st row to the i-th row in the first drive circuit and electrically-connected anodes thereof is gradually reduced along the first direction; and misalignment degree between the drive circuits from the j-th row to the M-th row in the first drive circuit and electrically-connected anodes thereof is gradually increased along the first direction.
4. The display panel according to claim 1 , wherein: at least a portion of the anodes include electrode portions in opening regions of a pixel defining layer and connecting portions connected to the electrode portions, and the connecting portions of the anodes are electrically connected to the drive circuits through the vias; and in each drive circuit group, the connecting portions corresponding to at least the portion of the first drive circuit and the connecting portions corresponding to at least the portion of the second drive circuit are symmetrical along a first center-line of the drive circuit group, wherein the first center-line is perpendicular to the first direction.
5. The display panel according to claim 1 , wherein: the vias include first vias; the anodes arranged along the first direction and regions between two adjacent anodes along the first direction constitute anode coverage regions; vertical projections of the first vias on the substrate are within vertical projections of the anode coverage regions on the substrate; and the first direction component, along the first direction, of each of the first vias that correspond to at least the portion of the first drive circuit pointing to the first corresponding electrically-connected anode, and the second direction component, along the first direction, of each of the first vias that correspond to at least the portion of the second drive circuit pointing to the second corresponding electrically-connected anode, are opposite components.
6. The display panel according to claim 5 , wherein: the first drive circuit at least includes first anodes and second anodes along the first direction; the first anodes are on a side of the second anodes away from the second drive circuit; first notch regions are on a side of the second anodes adjacent to the first anodes; and vertical projections of the first vias corresponding to the first anodes on the substrate overlap vertical projections of the first notch regions on the substrate; and the second drive circuit at least includes third anodes and fourth anodes along the first direction; the third anodes are on a side of the fourth anodes away from the first drive circuit; second notch regions are on a side of the fourth anodes adjacent to the third anodes; and vertical projections of the first vias corresponding to the third anodes on the substrate overlap vertical projections of the second notch regions on the substrate.
7. The display panel according to claim 1 , wherein: vertical projections of the drive circuits on the substrate are between vertical projections of two adjacent rows of the anodes on the substrate along a direction perpendicular to the first direction.
8. The display panel according to claim 1 , wherein: the organic light-emitting units include red organic light-emitting units, green organic light-emitting units, and blue organic light-emitting units; the red organic light-emitting units, the green organic light-emitting units and the blue organic light-emitting units are arranged sequentially and repeatedly along the first direction; along a second direction, the red organic light-emitting units are configured to be adjacent to one another; the green organic light-emitting units are configured to be adjacent to one another; and the blue organic light-emitting units are configured to be adjacent to one another; any adjacent light-emitting units selected from the red organic light-emitting units, the green organic light-emitting units, and the blue organic light-emitting units are arranged in a triangle shape; and the first direction intersects the second direction; the vias include first vias and second vias; the anodes arranged along the first direction and regions between two adjacent anodes along the first direction constitute anode coverage regions; vertical projections of the first vias on the substrate are within vertical projections of the anode coverage regions on the substrate; vertical projections of the second vias on the substrate are outside of the vertical projections of the anode coverage regions on the substrate; and anodes of the red organic light-emitting units are electrically connected to the drive circuits through the first vias; anodes of the green organic light-emitting units are electrically connected to the drive circuits through the second vias; and anodes of the blue organic light-emitting units are electrically connected to the drive circuits through the first vias.
9. The display panel according to claim 8 , further including: a plurality of scan lines extending along the first direction and a plurality of data lines extending along the second direction, wherein: the drive circuits, corresponding to at least one group of the red organic light-emitting unit, the green organic light-emitting unit and the blue organic light-emitting unit, which are arranged in the triangle shape, are sequentially arranged along a direction of the scan lines; and the drive circuits are connected to a same scan line and connected to different data lines respectively.
10. The display panel according to claim 9 , wherein: the anodes of the red organic light-emitting units include first electrode portions in opening regions of a pixel defining layer and first connecting portions connected to the first electrode portions; and vertical projections of the first connecting portions on the substrate overlap the vertical projections of the first vias on the substrate; the anodes of the green organic light-emitting units include second electrode portions in the opening regions of the pixel defining layer and second connecting portions connected to the second electrode portions; and vertical projections of the second connecting portions on the substrate overlap the vertical projections of the second vias on the substrate; and the anodes of the blue organic light-emitting units include third electrode portions in the opening regions of the pixel defining layer; and vertical projections of the third electrode portions on the substrate overlap the vertical projections of the first vias on the substrates.
11. The display panel according to claim 1 , wherein: the organic light-emitting units include red organic light-emitting units, green organic light-emitting units, and blue organic light-emitting units; the red organic light-emitting units, the green organic light-emitting units, and the blue organic light-emitting units are arranged sequentially and repeatedly along the first direction; along a second direction, the red organic light-emitting units are configured to be adjacent to one another, the green organic light-emitting units are configured to be adjacent to one another, and the blue organic light-emitting units are configured to be adjacent to one another; the first direction intersects the second direction; and any adjacent light-emitting units selected from the red organic light-emitting units, the green organic light-emitting units, and the blue organic light-emitting units are arranged sequentially along the first direction.
12. The display panel according to claim 1 , wherein: the organic light-emitting units include red organic light-emitting units, green organic light-emitting units, and blue organic light-emitting units; along the first direction, the red organic light-emitting units are configured to be adjacent to one another, the green organic light-emitting units are configured to be adjacent to one another, and the blue organic light-emitting units are configured to be adjacent to one another; the red organic light-emitting units, the green organic light-emitting units, and the blue organic light-emitting units are arranged sequentially and repeatedly along the second direction; the first direction intersects the second direction; and any adjacent light-emitting units selected from the red organic light-emitting units, the green organic light-emitting units, and the blue organic light-emitting units are arranged sequentially along the second direction.
13. The display panel according to claim 11 , wherein: all of the vias are first vias, and the anodes arranged along the first direction and regions between two adjacent anodes along the first direction constitute anode coverage regions; vertical projections of the first vias on the substrate are within vertical projections of the anode coverage regions on the substrate; and the first direction component, along the first direction, of each of the first vias that correspond to the first drive circuit pointing to the first corresponding electrically-connected anode, and the second direction component, along the first direction, of each of the first vias that correspond to the second drive circuit pointing to the second corresponding electrically-connected anode, are opposite components.
14. The display panel according to claim 13 , wherein: anodes of the red organic light-emitting units include fourth electrode portions in opening regions of a pixel defining layer and fourth connecting portions connected to the fourth electrode portions; and vertical projections of the fourth connecting portions on the substrate overlap vertical projections of the first vias on the substrate; anodes of the green organic light-emitting units include fifth electrode portions in the opening regions of the pixel defining layer and fifth connecting portions connected to the fifth electrode portions; and vertical projections of the fifth connecting portions on the substrate overlap the vertical projections of the first vias on the substrate; and anodes of the blue organic light-emitting units include sixth electrode portions in the opening regions of the pixel defining layer and sixth connecting portions connected to the sixth electrode portions; and vertical projections of the sixth connecting portions on the substrate overlap the vertical projections of the first vias on the substrate.
15. The display panel according to claim 14 , wherein: extending lengths of the fourth connecting portions, the fifth connecting portions and the sixth connecting portions along the second direction are the same.
16. The display panel according to claim 12 , wherein: all of the vias are first vias, and the anodes arranged along the first direction and regions between two adjacent anodes along the first direction constitute anode coverage regions; vertical projections of the first vias on the substrate are within vertical projections of the anode coverage regions on the substrate; and the first direction component, along the first direction, of each of the first vias that correspond to the first drive circuit pointing to the first corresponding electrically-connected anode, and the second direction component, along the first direction, of each of the first vias that correspond to the second drive circuit pointing to the second corresponding electrically-connected anode, are opposite components.
17. The display panel according to claim 16 , wherein: anodes of the red organic light-emitting units include fourth electrode portions in opening regions of a pixel defining layer and fourth connecting portions connected to the fourth electrode portions; and vertical projections of the fourth connecting portions on the substrate overlap vertical projections of the first vias on the substrate; anodes of the green organic light-emitting units include fifth electrode portions in the opening regions of the pixel defining layer and fifth connecting portions connected to the fifth electrode portions; and vertical projections of the fifth connecting portions on the substrate overlap the vertical projections of the first vias on the substrate; and anodes of the blue organic light-emitting units include sixth electrode portions in the opening regions of the pixel defining layer and sixth connecting portions connected to the sixth electrode portions; and vertical projections of the sixth connecting portions on the substrate overlap the vertical projections of the first vias on the substrate, wherein extending lengths of the fourth connecting portions, the fifth connecting portions and the sixth connecting portions along the second direction are the same.
18. The display panel according to claim 1 , wherein along the first direction: a length of each drive circuit in the drive circuit group is L1, wherein 45 μm<L1<50 μm; a length of the drive circuit group is L2, wherein 300 μm<L2<1000 μm; and a distance between the two adjacent drive circuit groups is L3, wherein 20 μm<L3<50 μm.
19. The display panel according to claim 1 , wherein: the light-blocking layer is between the drive circuits and the organic light-emitting units, and the imaging apertures are connected to the vias adjacent to the imaging apertures.
20. A display device, comprising: a display panel, comprising: a substrate, a plurality of drive circuits, and a plurality of organic light-emitting units, which are stacked sequentially, wherein: the plurality of drive circuits and the plurality of organic light-emitting units are electrically connected in a one-to-one correspondence, and anodes of the plurality of organic light-emitting units are electrically connected to the drive circuits through vias; the plurality of drive circuits is divided into a plurality of drive circuit groups, wherein each drive circuit group includes multiple drive circuits arranged in an array, and the anodes of the plurality of organic light-emitting units are evenly arranged; and a distance between two adjacent drive circuits in each drive circuit group is less than a distance between two adjacent drive circuits in two adjacent drive circuit groups along a first direction; the drive circuit group includes M rows of the drive circuits along the first direction, wherein the drive circuits from a first row to an i-th row is a first drive circuit, the drive circuits from a j-th row to an M-th row is a second drive circuit, and 1≤i<j≤M; a first direction component, along the first direction, of each of vias that correspond to at least a portion of the first drive circuit pointing to a first corresponding electrically-connected anode, and a second direction component, along the first direction, of each of vias that correspond to at least a portion of the second drive circuit pointing to a second corresponding electrically-connected anode, are opposite components; and the first direction is a column direction of the drive circuits arranged in an array; and a light-blocking layer and a plurality of fingerprint recognition units, wherein a plurality of imaging apertures is formed at the light-blocking layer; vertical projections of the imaging apertures on a film layer having the plurality of drive circuits are between the two adjacent drive circuit groups; the fingerprint recognition units are on a side of the light-blocking layer away from the organic light-emitting units; and light reflected by a touch body enters the fingerprint recognition units through the imaging apertures, wherein: the display device is one of a mobile phone, a computer, a television, or a smart wearable display device.
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August 15, 2019
September 28, 2021
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